Tadahisa Maruyama (丸山 忠久, Maruyama Tadahisa; born September 5, 1970) is a Japanese professional shogi player ranked 9-dan. He is a former Meijin and Kiō title holder.
Source: “Tadahisa Maruyama”, English Wikipedia (CC BY-SA 4.0), excerpt
Tadahisa Maruyama (丸山 忠久, Maruyama Tadahisa; born September 5, 1970) is a Japanese professional shogi player ranked 9-dan. He is a former Meijin and Kiō title holder.
Source: “Tadahisa Maruyama”, English Wikipedia (CC BY-SA 4.0), excerpt